7L17

Crystal structure of sugar-bound melibiose permease MelB

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Melibiose carrier protein	polymer	485	54092.5	1	UniProt (P30878) Pfam (PF13347)	Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)	Melibiose permease,Melibiose transporter,Na+ (Li+)/melibiose symporter,Thiomethylgalactoside permease II
2	B (A)	4-nitrophenyl alpha-D-galactopyranoside	non-polymer		301.2	1	Chemie (9PG)

Sequence modifications

A: 2 - 476 (UniProt: P30878)

PDB	External Database	Details
Met 5	Leu 5	engineered mutation
Cys 59	Asp 59	engineered mutation
His 477	-	expression tag
His 478	-	expression tag
His 479	-	expression tag
His 480	-	expression tag
His 481	-	expression tag
His 482	-	expression tag
His 483	-	expression tag
His 484	-	expression tag
His 485	-	expression tag
His 486	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	54092.5
Non-Polymers*	Number of molecules	1
	Total formula weight	301.2
All*	Total formula weight	54393.7

*Water molecules are not included.